​The average of eight numbers is 20. The average of five of these numbers is 16. The average of the remaining three numbers is

Correct option is C

Given:

Average of 8 numbers = 20

Average of 5 of these numbers = 16

Formula Used:

Average =$$\frac{Sum\ of \ observations}{Number\ of \ observations}$$​​

Solution:

Here total of 8 numbers = 8 $$\times$$​ 20 = 160

Total of 5 numbers  = 5 $$\times$$​ 16 = 80

Total of 3 numbers left = 160 - 80 = 80

Average of 3 numbers = $$\frac{80}{3} = 26.666 \sim 26.67$$​​